This method invokes json_encode to perform the encoding.
| public static jsonEncode ( $value, $options ) : string | ||
| return | string | encoded string |
/**
* Displays the exceptions to the client-side TJavascriptLogger.
* A HTTP 500 status code is sent and the stack trace is sent as JSON encoded.
* @param Exception exception details.
*/
protected function displayException($exception)
{
if ($this->getApplication()->getMode() === TApplication::STATE_DEBUG) {
$response = $this->getApplication()->getResponse();
$trace = $this->getExceptionStackTrace($exception);
// avoid error on non-utf8 strings
try {
$trace = TJavaScript::jsonEncode($trace);
} catch (Exception $e) {
// strip everythin not 7bit ascii
$trace = preg_replace('/[^(\\x20-\\x7F)]*/', '', serialize($trace));
}
// avoid exception loop if headers have already been sent
try {
$response->setStatusCode(500, 'Internal Server Error');
} catch (Exception $e) {
}
$content = $response->createHtmlWriter();
$content->getWriter()->setBoundary(TActivePageAdapter::CALLBACK_ERROR_HEADER);
$content->write($trace);
} else {
error_log("Error happened while processing an existing error:\n" . $exception->__toString());
header('HTTP/1.0 500 Internal Server Error', true, 500);
}
$this->getApplication()->getResponse()->flush();
}
/**
* Renders the callback response by adding additional callback data and
* javascript actions in the header and page state if required.
* @param THtmlWriter html content writer.
*/
protected function renderResponse($writer)
{
Prado::trace("ActivePage renderResponse()", 'Prado\\Web\\UI\\ActiveControls\\TActivePageAdapter');
//renders all the defered render() calls.
foreach ($this->_controlsToRender as $rid => $forRender) {
$forRender[0]->render($forRender[1]);
}
$response = $this->getResponse();
//send response data in header
if ($response->getHasAdapter()) {
$responseData = $response->getAdapter()->getResponseData();
if ($responseData !== null) {
$data = TJavaScript::jsonEncode($responseData);
$this->appendContentPart($response, self::CALLBACK_DATA_HEADER, $data);
}
}
//sends page state in header
if (($handler = $this->getCallbackEventTarget()) !== null) {
if ($handler->getActiveControl()->getClientSide()->getEnablePageStateUpdate()) {
$pagestate = $this->getPage()->getClientState();
$this->appendContentPart($response, self::CALLBACK_PAGESTATE_HEADER, $pagestate);
}
}
//safari must receive at least 1 byte of data.
$writer->write(" ");
//output the end javascript
if ($this->getPage()->getClientScript()->hasEndScripts()) {
$writer = $response->createHtmlWriter();
$this->getPage()->getClientScript()->renderEndScriptsCallback($writer);
$this->getPage()->getCallbackClient()->evaluateScript($writer);
}
//output the actions
$executeJavascript = $this->getCallbackClientHandler()->getClientFunctionsToExecute();
$actions = TJavaScript::jsonEncode($executeJavascript);
$this->appendContentPart($response, self::CALLBACK_ACTION_HEADER, $actions);
$cs = $this->Page->getClientScript();
// collect all stylesheet file references
$stylesheets = $cs->getStyleSheetUrls();
if (count($stylesheets) > 0) {
$this->appendContentPart($response, self::CALLBACK_STYLESHEETLIST_HEADER, TJavaScript::jsonEncode($stylesheets));
}
// collect all stylesheet snippets references
$stylesheets = $cs->getStyleSheetCodes();
if (count($stylesheets) > 0) {
$this->appendContentPart($response, self::CALLBACK_STYLESHEET_HEADER, TJavaScript::jsonEncode($stylesheets));
}
// collect all script file references
$scripts = $cs->getScriptUrls();
if (count($scripts) > 0) {
$this->appendContentPart($response, self::CALLBACK_SCRIPTLIST_HEADER, TJavaScript::jsonEncode($scripts));
}
// collect all hidden field references
$fields = $cs->getHiddenFields();
if (count($fields) > 0) {
$this->appendContentPart($response, self::CALLBACK_HIDDENFIELDLIST_HEADER, TJavaScript::jsonEncode($fields));
}
}
/**
* Renders content provided by TJsonResponse::getJsonContent() as
* javascript in JSON format.
*/
protected function createJsonResponse($service, $properties, $config)
{
// init service properties
foreach ($properties as $name => $value) {
$service->setSubproperty($name, $value);
}
$service->init($config);
//send content if not null
if (($content = $service->getJsonContent()) !== null) {
$response = $this->getResponse();
$response->setContentType('application/json');
$response->setCharset('UTF-8');
//send content
$response->write(TJavaScript::jsonEncode($content));
}
}
public function renderContents($writer)
{
$readyscript = 'jQuery(document).trigger(' . TJavaScript::quoteString('captchaready:' . $this->getClientID()) . ')';
$cs = $this->Page->ClientScript;
$id = $this->getClientID();
$divid = $id . '_1_recaptchadiv';
$writer->write('<div id="' . htmlspecialchars($divid) . '">');
if (!$this->Page->IsCallback) {
$writer->write(TJavaScript::renderScriptBlock('var RecaptchaOptions = ' . TJavaScript::jsonEncode($this->getClientSideOptions()) . ';'));
$html = $this->recaptcha_get_html($this->getPublicKey());
/*
reCAPTCHA currently does not support multiple validations per page
$html = str_replace(
array(self::ChallengeFieldName,self::ResponseFieldName),
array($this->getChallengeFieldName(),$this->getResponseFieldName()),
$html
);
*/
$writer->write($html);
$cs->registerEndScript('ReCaptcha::EventScript', 'jQuery(document).ready(function() { ' . $readyscript . '; } );');
} else {
$options = $this->getClientSideOptions();
$options['callback'] = new TJavaScriptLiteral('function() { ' . $readyscript . '; ' . $this->getCallbackScript() . '; }');
$cs->registerScriptFile('ReCaptcha::AjaxScript', self::RECAPTCHA_JS);
$cs->registerEndScript('ReCaptcha::CreateScript::' . $id, implode(' ', array('if (!jQuery(' . TJavaScript::quoteString('#' . $this->getResponseFieldName()) . '))', '{', 'Recaptcha.destroy();', 'Recaptcha.create(', TJavaScript::quoteString($this->getPublicKey()) . ', ', TJavaScript::quoteString($divid) . ', ', TJavaScript::encode($options), ');', '}')));
}
$writer->write('</div>');
}